package com.ocom.mjrecode.utils;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;

public class WebToolUtils {

	/**
	 * 获取本地IP地址
	 *
	 * @throws Exception
	 */
	public static String getLocalIP() throws Exception {
		if (isWindowsOS()) {
			return InetAddress.getLocalHost().getHostAddress();
		} else {
			return getLinuxLocalIp();
		}
	}


	/**
	 * 获取Linux下的IP地址
	 *
	 * @return IP地址
	 * @throws Exception
	 */
	private static String getLinuxLocalIp() throws Exception {
		String ip = "";
		try {
			for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
				NetworkInterface intf = en.nextElement();
				String name = intf.getName();
				if (!name.contains("docker") && !name.contains("lo")) {
					for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
						InetAddress inetAddress = enumIpAddr.nextElement();
						if (!inetAddress.isLoopbackAddress()) {
							String ipaddress = inetAddress.getHostAddress().toString();
							if (!ipaddress.contains("::") && !ipaddress.contains("0:0:") && !ipaddress.contains("fe80")) {
								ip = ipaddress;
//								System.out.println(ipaddress);
							}
						}
					}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		return ip;
	}


	/**
	 * 判断操作系统是否是Windows
	 *
	 * @return
	 */
	public static boolean isWindowsOS() {
		boolean isWindowsOS = false;
		String osName = System.getProperty("os.name");
		if (osName.toLowerCase().indexOf("windows") > -1) {
			isWindowsOS = true;
		}
		return isWindowsOS;
	}


	public static void main(String[] args) throws Exception {
		System.out.println(getLocalIP());
	}


}

